Pith Number

pith:CJ3PYQ6I

pith:2021:CJ3PYQ6I4NVJ763O6K6CSDH2YE

not attested not anchored not stored refs pending

Discovering a set of policies for the worst case reward

Andre Barreto, Brendan O'Donoghue, Daniel J Mankowitz, Iurii Kemaev, Satinder Singh, Shaobo Hou, Tom Zahavy

arxiv:2102.04323 v2 · 2021-02-08 · cs.AI · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CJ3PYQ6I4NVJ763O6K6CSDH2YE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T03:39:47.803289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1276fc43c8e36a9ffb6ef2bc290cfac1221ba306939f472b0799749120a6cddd

Aliases

arxiv: 2102.04323 · arxiv_version: 2102.04323v2 · doi: 10.48550/arxiv.2102.04323 · pith_short_12: CJ3PYQ6I4NVJ · pith_short_16: CJ3PYQ6I4NVJ763O · pith_short_8: CJ3PYQ6I

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/CJ3PYQ6I4NVJ763O6K6CSDH2YE \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 1276fc43c8e36a9ffb6ef2bc290cfac1221ba306939f472b0799749120a6cddd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f4fdf95e02de0acff8bdc8fc77aa15b3ef36a03562ebb9c88f0210a26ac17d5",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2021-02-08T16:27:09Z",
    "title_canon_sha256": "af02d3618f8c8467223cd84b77a4a7e3637e799aa6d8568d162fcc45e028c14a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.04323",
    "kind": "arxiv",
    "version": 2
  }
}